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OpenAPI Specification

openapi: 3.2.0
info:
  title: Eight Sleep Unofficial Community Authentication API
  description: UNOFFICIAL, community-reverse-engineered specification of the Eight Sleep client API that powers the Eight Sleep mobile app.
  contact:
    name: Eight Sleep
    url: https://www.eightsleep.com
  version: unofficial-v1
servers:
- url: https://auth-api.8slp.net
  description: Authentication host (OAuth2 token issuance)
- url: https://client-api.8slp.net
  description: Client API host (user, device, trends reads)
- url: https://app-api.8slp.net
  description: App API host (temperature, away mode, base, alarms, routines)
tags:
- name: Authentication
  description: OAuth2 password-grant token issuance (unofficial).
paths:
  /v1/tokens:
    post:
      operationId: createToken
      tags:
      - Authentication
      summary: Issue an OAuth2 access token (unofficial)
      description: UNOFFICIAL OAuth2 password-grant request against auth-api.8slp.net. Exchanges an account email and password (plus a client_id and client_secret captured from the mobile app) for a bearer access token and refresh token. Not an official, supported, or documented endpoint.
      servers:
      - url: https://auth-api.8slp.net
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TokenRequest'
      responses:
        '200':
          description: Access and refresh tokens issued.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse'
        '401':
          description: Invalid credentials.
components:
  schemas:
    TokenResponse:
      type: object
      properties:
        access_token:
          type: string
        refresh_token:
          type: string
        token_type:
          type: string
          example: Bearer
        expires_in:
          type: integer
          description: Token lifetime in seconds.
        userId:
          type: string
    TokenRequest:
      type: object
      required:
      - client_id
      - client_secret
      - grant_type
      - username
      - password
      properties:
        client_id:
          type: string
          description: App client id captured from the Eight Sleep mobile app.
        client_secret:
          type: string
          description: App client secret captured from the Eight Sleep mobile app.
        grant_type:
          type: string
          example: password
        username:
          type: string
          description: Account email address.
        password:
          type: string
          format: password
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Bearer access token issued by POST /v1/tokens on auth-api.8slp.net. Unofficial.